Week 6 Flashcards by Tracy Douglas

Q

What is a cysticercoid?

A

Larval stage of certain tapeworms, similar in appearance to a cysticercus but having the scolex filling completely the enclosing cyst. AKA metacestode. In tapeeworm infections cysticercoids can be seen in free form as well as enclosed by cysts in biological tissues such as the intestinal mucosa.

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Q

What is the lifecycle of Dipylidium caninum? PPP?

A

Flea tapeworm (Cyclophyllideans- non taeniids)

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Q

Significance of Dipylidium caninum

A

* anal irritation from proglottids coming out

* butt scooting

* zoonosis to kids if they ingest a flea (IH)

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Q

In the lab how do you diagnose Dipylidium caninum?

A

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Q

In the field, how do you diagnose Dipylidium caninum?

A

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Q

How do you treat Dipylidium caninum (flea tapeworm)?

A

Praziquantel and get rid of the fleas

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Q

A

Proglottids of Dipylidium caninum

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Q

Life cycle of Hymenolepis nana, H. diminuta, and H. carioca

A

(Cyclophyllideans- non taeniids)

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Q

Significance of Hymenolepis nana, H. diminuta, and H. carioca

A

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A

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Q

Diagnosis of H. nana and H. diminuta

A

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Q

A

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Q

ID, also what is the IH?

A

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Q

Differences between Davainea and Amoebotaenia

A

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Q

A

Davainea proglottina (Cyclophyllideans- non taeniids)

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Q

A

Amoebotaenia (Cyclophyllideans- non taeniids)

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Q

Raillientina vs. Choanotaenia vs. Hymenolepis

A

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Q

A

Hymenolepis (Cyclophyllideans- non taeniids)

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Q

A

Raillietina (Cyclophyllideans- non taeniids)

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Q

A

Choanotaenia (Cyclophyllideans- non taeniids)

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Q

Genera? Effect on host? Host? IH?

A

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Q

Treatment and Control of Choanotaenia, Amoebotaenia, Raillietina, Davainea, and Hymenolepis?

A

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Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

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Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

Q

Significance of Anoplocephala spp.

A

Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

Q

Diagnosis of Anoplocephala spp. (Cyclophyllideans- non taeniids)

A

Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

Q

A

Anoplocephala spp. (Cyclophyllideans- non taeniids)

Q

Treatment for horse tapeworm (Anoplocephala spp. (Cyclophyllideans- non taeniids))

A

Q

Life cycle of Moneizia

A

Q

Diagnosis of Moneizia

A

Q

A

Moneizia (Cyclophyllideans- non taeniids)

Q

A

Moneizia (Cyclophyllideans- non taeniids)

Q

A

Moneizia (Cyclophyllideans- non taeniids)

Q

A

Taeniidae (fettucine)

Q

Characteristics of Taeniidae (Pseudophyllidea)

A

Q

Life cycle of general taeniid (Pseudophyllidea)

PPP?

IH?

A

Q

What’s unique about Taenia spp. and IHs??

A

Very specific to the IH they infect.

e.g.Human infecting: T. solium (pork only) and T. saginata (beef only)

Q

Genera? IH?

A

Q

Genera? IH?

A

Q

DH? IH? Metacestode features? Predilection sites?

A

Q

DH? IH? Metacestode features? Predilection sites?

A

Summary of hosts, metacestode features of Taenia spp.

Q

Life cycle of Taenia solium

A

(Pork tapeworm)

* pigs eat human faeces

* lack of hygiene

* developing countries

Q

A

Q

A

Taenia solium

Q

Risk factors for cysticercosis

A

Q

Cysticercosis in humans

A

undercooked pork= develop adult worms

veggies contaminated by the eggs = cyst stage

Q

Prevention and control of Taenia solium

A

* Treat pigs with oxfendazole

Q

A

Taenia solium

Q

Life cycle of Taenia saginata

A

“Beef measles”

Q

A

Taenia ovis or “sheep measles”

Q

A

Taenia hydatigena

Q

A

Q

A

Q

A

Taenia pisiformis

Q

A

Taenia taeniaeformis

Q

A

zoonosis

Q

A

Neuro coenurosis (Taenia)

Q

Diagnosis of Taenia in Definitive Host… what about the eggs of Taenia and Echinococcus? What is key about the length? Scolex? And reproductive organs?

A